Improved opera-chair



BERNHARD KOECY'HLING', (iF-NEW YORK, N.AY".

Letters Potent No. 99,576, dated February 8, 1870. z

rMPnoven oprime-eme. i

The Schedule referred to in these Letters Patent and making pan of the' name.

mwah- To all whom it muy conce-rn Be it known that LBERNHARD KOECHLING, of the. city, count-y, and State ot' New York, have invented a. new and improved Opela-Cheir; and I do hereby Vdeclare that the following is a. full, clear, and exact description thereof, which will enable others `skilled in the nrt to make and use the seme, reference being had to the accompanying (hearings, forming part ot' this specification, in Which Figure l represents n hack elevation, partly in see- Ition of my improved chair.

Figure 2 is :i verticaltransverse section of' the same.

Similar letters of reference indieateeorresponding parts.`

This invention relates to n. new manner of fastening the hacks to the side frameset' those chairs which are used inA theatres, opera-houses, pnhiie halls, Sac., and

has for its object todo nweywith t-he straps and otherfastening-fleviees which were heretofore required to connect the side pieces, and to look the bzks thereto. The invent-ion consists in tormng hooks on the backs, and recesses and supporting-lugs on the side pieces, so that thereby the whole festeningdevice is completed.

A. A, in the drawing, represents theside pieces or main supports of a. chair, seid pieces being made of east-metal or other suitable material, and fastened to the floor. p

Bis the hack of a. elmir.` It has upward-projecting hooks, a, :it its upper corners, as shown in tig. 1.

The sides of the frames A are groovedfz to receive the edges of the back plate B. Such groovesI may,

however, be dispensed with. l

Onihe side'i'rznnes A A are formed projecting ears or shoulders, b b, upon which the brick rests, while the. hooks a, fit, under hooks c, formed on A, as is clearly shown in iig. 1 .v

The stops l: support. the beck, the hooks a e,

retain it in place, and serve also to hold the side amesitogether, and to lock all parts in the required position.

GEO. W. Menen, ALEX. EROBERTS. 

